a500528fb3
This patch adds bindings for LPDDR4 and LPDDR5 memory analogous to the existing bindings for LPDDR2 and LPDDR3. For now, the new types are only needed for topology description, so other properties like timing parameters are omitted. They can be added later if needed. Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220930220606.303395-3-jwerner@chromium.org Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
35 lines
722 B
YAML
35 lines
722 B
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,lpddr4.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: LPDDR4 SDRAM compliant to JEDEC JESD209-4
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maintainers:
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- Krzysztof Kozlowski <krzk@kernel.org>
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allOf:
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- $ref: jedec,lpddr-props.yaml#
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properties:
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compatible:
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items:
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- pattern: "^lpddr4-[0-9a-f]{2},[0-9a-f]{4}$"
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- const: jedec,lpddr4
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required:
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- compatible
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- density
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- io-width
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unevaluatedProperties: false
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examples:
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- |
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lpddr {
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compatible = "lpddr4-ff,0100", "jedec,lpddr4";
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density = <8192>;
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io-width = <16>;
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revision-id = <1 0>;
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};
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